.title {
    border-bottom: 1px solid rgb(230, 145, 55);
}

.middle {
    display: flex;
    justify-content: center;
    margin: 50px 0;
}

.middle > div {
    width: 1000px;
    border: 1px solid rgb(230, 145, 55);
}

.middle > div > div {
    padding: 10px;
    overflow: hidden;
}

/*---------------------------介紹具體內容----------------------------*/
.middle > div > div:nth-child(2) > div:nth-child(1) > div:nth-child(1) > div > div {
    display: flex;
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div:nth-child(1) > div > div > div:nth-child(1) {
    color: rgb(230, 145, 55);
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div:nth-child(1) > div > div > div:nth-child(2) {
    color: gray;
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div:nth-child(1) > div {
    display: flex;
    justify-content: center;
}

.middle > div > div:nth-child(2) > div:nth-child(1) {
    display: flex;
    justify-content: center;
}

.middle > div > div:nth-child(2) > div:nth-child(1) {

}

/*--------------留言内容-------------------------*/
.middle > div > div:nth-child(2) > div:nth-child(2) {
    display: flex;
    justify-content: center;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div {
    /*border: 1px solid red;*/
    width: 600px;
    margin: 50px;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div > div > div:nth-child(1) {
    line-height: 30px;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div > div > div:nth-child(2) {
    height: 30px;
    background-color: rgb(238, 238, 238);
    border: 1px dashed rgb(230, 145, 55);
    padding: 0 20px;
    line-height: 30px;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div > div:nth-child(3) > div:nth-child(2) {
    height: 100px;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div > div:last-child {
    display: flex;
    justify-content: center;
    margin: 30px;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > div > div:last-child > div {
    background-color: rgb(230, 145, 55);
    color: white;
    padding: 5px 20px;
    width: 100px;
    text-align: center;
    cursor: pointer;
}